The Pictorial handbook of London : comprising its antiquities, architecture, arts, manufacture, trade, social, literary, and scientific institutions, exhibitions, and galleries of art : together with some account of the principal suburbs and most attractive localities ; illustrated with two hundred and five engravings on wood, by Branston, Jewitt, and others and a new and complete map, engraved by Lowry . Fig. 2. THE THAMES TUNNEL. 833. Fig. 3. he had materially modified hisplan, having given up the ideaof turning the iron shield or worm upon its axis, fearingthe resistance, which he anti-cipa
The Pictorial handbook of London : comprising its antiquities, architecture, arts, manufacture, trade, social, literary, and scientific institutions, exhibitions, and galleries of art : together with some account of the principal suburbs and most attractive localities ; illustrated with two hundred and five engravings on wood, by Branston, Jewitt, and others and a new and complete map, engraved by Lowry . Fig. 2. THE THAMES TUNNEL. 833. Fig. 3. he had materially modified hisplan, having given up the ideaof turning the iron shield or worm upon its axis, fearingthe resistance, which he anti-cipated would be occasioned Slggby the friction of the groundagainst its sides, and had di-vided it into four distinct sframes, which could be se-1parately advanced. Subse- rrifquently he substituted therectangular for the circularform, considering that in hori-zontal strata, varying in con-sistency and firmness, a moreuniform pressure would besustained by the former thanby the latter. The Act incorporating thecompany received the royalassent in June, 1824; but inconsequence of a dispute re-lative to the property requiredfor the site of the Rotherhitheshaft, the works were not ac-tually commenced until themiddle of February, 1825. A transverse section of thetunnel, as executed, is givenin figure 5, which shows notonly its external and internalform, but also the dispositionof the bricks of which it iscomposed; this section istaken th
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Keywords: ., bookcentury1800, bookdecade1850, bookidpictorialhan, bookyear1854
